"History. Primary School" is an Android app designed by MZ Learning and is available for free in the Education & Reference category. The app is a comprehensive learning tool that covers the history of Poland and general medieval history for Polish students who are about to end their primary school education. The app is divided into several chapters, each of which contains three parts - base of knowledge, flashcards, and tests.

The base of knowledge section provides a detailed understanding of the topic through descriptive articles. The flashcards section helps students to memorize important dates and events by providing visual aids. The test section challenges students to test their knowledge and provides a scorecard to measure their progress. The app is user-friendly and easy to navigate, with a menu option that allows students to check their scores and progress.

Overall, "History. Primary School" is a great educational app that provides students with in-depth knowledge of Polish and medieval history. It is a handy tool for students who want to learn and memorize historical events in a fun and interactive way.